Update app.py

app.py

@@ -126,7 +126,7 @@ def video_frame_callback(frame: av.VideoFrame) -> av.VideoFrame:
                    #          else:
                    #              st.session_state["output_text"] += ' '  # Add space
                    # if distance<30:
-                   st.session_state["output_text"] += "hi"
+                   st.session_state["output_text"] = "hi"
                        
 
     result_queue.put(detections)